... plateδ0.8~1.5Applicationrefrigerator and ice boxKey processTube bending ,Punching the fins,Tube expanding,Degreasing,Welding and assembling,Leakage test,Drying, ... :3.5~6mm,L:1500mm(max) Performancecan satisfy all the capability requirements for refrigeratorCapacity500 thousand sets per yearCooling System Tube ... ≤20≤25≤30Residual impurity≤100mg/m2Biggest single impurity≤2mg Cooling tube assembly